Question

我有一个Class层次结构，我试图在保留特定属性（例如窗口名称，尺寸，可调整大小等）的同时切换tkinter窗口。我对可调整大小的部分有一些问题，因为它有两个值：

import tkinter as tk                
from tkinter import font as tkfont

class Manifold(tk.Tk):
    def __init__(self, *args, **kwargs):
        tk.Tk.__init__(self, *args, **kwargs)

        container = tk.Frame(self) #container = stack of frames; one on top is visible
        container.pack(side="top", fill="both", expand=True)
        container.grid_rowconfigure(0, weight=1)
        container.grid_columnconfigure(0, weight=1)

        self.frames = {}
        for F,geometry,title in zip((StartPage,PageOne,PageTwo,PageThree),
                                ("532x279","532x279","254x279","299x620"),
                                ("","Experimental Data","Orientation Distribution","Manifold Embedding"),
                                ((False,False),(False,False),(True,True),(True,True))):
            page_name = F.__name__
            frame = F(container, self)
            self.frames[page_name] = (frame,geometry,title,(option1,option2)) #puts all pages in stacked order
            frame.grid(row=0, column=0, sticky="nsew")
    self.show_frame("StartPage")

def show_frame(self, page_name): #show a frame for the given page name
    frame, geometry, title = self.frames[page_name]
    self.update_idletasks()
    self.geometry(geometry) #changes between window sizes
    tk.Tk.wm_title(self, title) #window heading
###UNKNOWN:
    self.resizable(*options)
###########       
    frame.tkraise() #raises window to top

if __name__ == "__main__":
    app = Manifold()
    app.mainloop()

非常感谢任何建议。

Answer 1

关闭。试试这个：

    self.frames = {}
    for F,geometry,title,options in zip((StartPage,PageOne,PageTwo,PageThree),
                                ("532x279","532x279","254x279","299x620"),
                                ("","Experimental Data","Orientation Distribution","Manifold Embedding"),
                                ((False,False),(False,False),(True,True),(True,True))):
        page_name = F.__name__
        frame = F(container, self)
        self.frames[page_name] = (frame,geometry,title,options) #puts all pages in stacked order
        frame.grid(row=0, column=0, sticky="nsew")
    self.show_frame("StartPage")

def show_frame(self, page_name): #show a frame for the given page name
    frame, geometry, title,options = self.frames[page_name]
    self.geometry(geometry) #changes between window sizes
    self.title(title) #window heading
    self.resizable(*options)
###########       
    frame.tkraise() #raises window to top

假设这是Tk()的子类。

不应该需要

update_idletasks（它很少使用）。

Answer 2

将这些选项放在每个Frame的import tkinter as tk class BigWindow(tk.Frame): def __init__(self, master=None, **kwargs): tk.Frame.__init__(self, master, **kwargs) tk.Button(self, text='go to\nsmall window', command=lambda: master.show_frame(SmallWindow)).pack() def tkraise(self): self.master.title('Big Window') self.master.geometry('600x600') self.master.resizable(True, True) tk.Frame.tkraise(self) # raise this Frame class SmallWindow(tk.Frame): def __init__(self, master=None, **kwargs): tk.Frame.__init__(self, master, **kwargs) tk.Button(self, text='go to\nbig window', command=lambda: master.show_frame(BigWindow)).pack() def tkraise(self): self.master.title('Small Window') self.master.geometry('200x200') self.master.resizable(False, False) tk.Frame.tkraise(self) class Manifold(tk.Tk): def __init__(self, *args, **kwargs): tk.Tk.__init__(self, *args, **kwargs) self.frames = {} for F in (SmallWindow, BigWindow): frame = F(self) self.frames[F] = frame frame.grid(row=0, column=0, sticky="nsew") self.show_frame(SmallWindow) def show_frame(self, page): #show a frame for the given page self.frames[page].tkraise() if __name__ == "__main__": app = Manifold() app.mainloop()方法中会更加简洁。为了做到这一点，你需要一个挂钩到根（Tk（）实例）。既然你已经对你的“容器”框架（为什么？）进行了一些混淆，你需要确保传递根实例。一个简单的例子：

import tkinter as tk

class AutoSizeFrame(tk.Frame):
    def tkraise(self):
        self.master.title(self.title)
        self.master.geometry(self.geometry)
        self.master.resizable(*self.resizemodes)
        tk.Frame.tkraise(self) # raise this Frame

class BigWindow(AutoSizeFrame):
    def __init__(self, master=None, **kwargs):
        tk.Frame.__init__(self, master, **kwargs)
        self.title = 'Big Window'
        self.geometry = '600x600'
        self.resizemodes = (True, True)

        tk.Button(self, text='go to\nsmall window', command=lambda: master.show_frame(SmallWindow)).pack()

class SmallWindow(AutoSizeFrame):
    def __init__(self, master=None, **kwargs):
        tk.Frame.__init__(self, master, **kwargs)
        self.title = 'Small Window'
        self.geometry = '200x200'
        self.resizemodes = (False, False)

        tk.Button(self, text='go to\nbig window', command=lambda: master.show_frame(BigWindow)).pack()

class Manifold(tk.Tk):
    def __init__(self, *args, **kwargs):
        tk.Tk.__init__(self, *args, **kwargs)

        self.frames = {}
        for F in (SmallWindow, BigWindow):
            frame = F(self)
            self.frames[F] = frame
            frame.grid(row=0, column=0, sticky="nsew")
        self.show_frame(SmallWindow)

    def show_frame(self, page): #show a frame for the given page
        self.frames[page].tkraise()

if __name__ == "__main__":
    app = Manifold()
    app.mainloop()

你可以通过为所有其他帧继承基类，然后只设置一些变量来使这个更清晰：

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将拉链元组传递给函数

2 个答案: